Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun Ultrasonic sound.
  • noun The use of ultrasonic waves for diagnostic or therapeutic purposes, specifically to image an internal body structure, monitor a developing fetus, or generate localized deep heat to the tissues.
  • noun An image produced by ultrasound.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun physics sound with a frequency greater than the upper limit of human hearing; approximately 20 kilohertz
  • noun medicine The use of ultrasonic waves for diagnostic or therapeutic purposes

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun using the reflections of high-frequency sound waves to construct an image of a body organ (a sonogram); commonly used to observe fetal growth or study bodily organs
  • noun very high frequency sound; used in ultrasonography

Etymologies

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Examples

  • The unit is named after the physicist H. H.rtz and is abbreviated H.. Thus the following formula applies to the propagation velocity of the wave: C = fλ = 1/T * λ This equation (wave equation) applies to all wave processes. (ii) Definition of the term ultrasound The frequency of a sound impression (tone) is a direct measure for the pitch of a tone.

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  • (Its cumulative, kids!) and the ultrasound is the only thing that ever showed the lump.

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  • A fetal echocardiogram (a safe, noninvasive ultrasound is used to assess the structure and function of an unborn baby's heart) and analysis by afetal cardiologist specializing in heart disease in unborn babies.

    Fetal Heart Program 2010

  • The technologist will ask why the ultrasound is being done and explain the procedure to you and your child.

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  • During the procedure, ultrasound is used to visualize the fetus, enabling the physician to choose a puncture site that is far away from the baby.

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  • A fetal echocardiogram (a safe, noninvasive ultrasound is used to assess the structure and function of an unborn baby's heart) and analysis by afetal cardiologist specializing in heart disease in unborn babies.

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  • If your child's ultrasound is scheduled at a CHOP facility, consult this page for instructions and more information.

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  • A high-resolution ultrasound is performed to document the presence of a lower

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  • If the ultrasound is right and if the little nudger currently beating the crap out of my uterus is a boy, then I have to face this decision … to do or not to do?

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  • An ultrasound is a safe, painless way to take pictures of the inside of the body, using high-frequency sound waves and a computer.

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